Apologises for his error over the Solanum.

Thanks CD for his good wishes; JT believes he will increase yield and disease-resistance by his crossing and selection.

Forwards letter from Victor Kennedy reporting on the growth of JT’s potatoes in W. Ireland.

Forwards letter from George Callwell reporting what a large and disease-free potato crop JT’s seed yields.

Has examined this year’s crop, which looks good; will prepare a report.

Has found no [potato] variety whose foliage can resist the parasite, except when grown under glass.

Has had an account of his experiments published. Sends CD some specimens of seedlings and tubers.

Describes one of his varieties of potato in its third and fourth years. [CD notes his observations on this variety grown at Down, July 1879.]

Illness of his wife.

Potato crossing experiments; believes he has increased yield considerably.

Success of his experiments; report on recent work.

Encloses latest report on his new potatoes. Believes the plants should be grown from seed every fourth year to preserve yield and disease-resistance.

Encloses a report on JT’s potato varieties by William Meredith, one of the many individuals in the country who are growing them.

Intends to get his ideas on the "wearing out" of varieties printed.

This year’s crosses were failures.

Reports that Phylloxera-resistant vines have been found in an infected region of Portugal.

It might be possible to borrow £500 [for potato experiments]. Variety of "The Champion" spreading over the Kingdom. Champion lately less able to produce.

Potatoes will be lost unless JT has immediate authority to proceed.

Wonders whether Lord Derby would advance him the money to continue his work.

Is prepared to continue his work, if financial help is forthcoming.

Hopes to finish his report tomorrow; last year’s crosses were failures.

On the disease-resisting qualities and yield of certain potatoes.

Is keeping down his expenditure; has some landowners growing potatoes for him.